drivers/gpu/drm/omapdrm/dss/hdmi5.c

   1 /*
   2  * HDMI driver for OMAP5
   3  *
   4  * Copyright (C) 2014 Texas Instruments Incorporated
   5  *
   6  * Authors:
   7  *      Yong Zhi
   8  *      Mythri pk
   9  *      Archit Taneja <archit@ti.com>
  10  *      Tomi Valkeinen <tomi.valkeinen@ti.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify it
  13  * under the terms of the GNU General Public License version 2 as published by
  14  * the Free Software Foundation.
  15  *
  16  * This program is distributed in the hope that it will be useful, but WITHOUT
  17  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  19  * more details.
  20  *
  21  * You should have received a copy of the GNU General Public License along with
  22  * this program.  If not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25 #define DSS_SUBSYS_NAME "HDMI"
  26
  27 #include <linux/kernel.h>
  28 #include <linux/module.h>
  29 #include <linux/err.h>
  30 #include <linux/io.h>
  31 #include <linux/interrupt.h>
  32 #include <linux/mutex.h>
  33 #include <linux/delay.h>
  34 #include <linux/string.h>
  35 #include <linux/platform_device.h>
  36 #include <linux/pm_runtime.h>
  37 #include <linux/clk.h>
  38 #include <linux/gpio.h>
  39 #include <linux/regulator/consumer.h>
  40 #include <linux/component.h>
  41 #include <linux/of.h>
  42 #include <linux/of_graph.h>
  43 #include <sound/omap-hdmi-audio.h>
  44
  45 #include "omapdss.h"
  46 #include "hdmi5_core.h"
  47 #include "dss.h"
  48 #include "dss_features.h"
  49
  50 static struct omap_hdmi hdmi;
  51
  52 static int hdmi_runtime_get(void)
  53 {
  54         int r;
  55
  56         DSSDBG("hdmi_runtime_get\n");
  57
  58         r = pm_runtime_get_sync(&hdmi.pdev->dev);
  59         WARN_ON(r < 0);
  60         if (r < 0)
  61                 return r;
  62
  63         return 0;
  64 }
  65
  66 static void hdmi_runtime_put(void)
  67 {
  68         int r;
  69
  70         DSSDBG("hdmi_runtime_put\n");
  71
  72         r = pm_runtime_put_sync(&hdmi.pdev->dev);
  73         WARN_ON(r < 0 && r != -ENOSYS);
  74 }
  75
  76 static irqreturn_t hdmi_irq_handler(int irq, void *data)
  77 {
  78         struct hdmi_wp_data *wp = data;
  79         u32 irqstatus;
  80
  81         irqstatus = hdmi_wp_get_irqstatus(wp);
  82         hdmi_wp_set_irqstatus(wp, irqstatus);
  83
  84         if ((irqstatus & HDMI_IRQ_LINK_CONNECT) &&
  85                         irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
  86                 u32 v;
  87                 /*
  88                  * If we get both connect and disconnect interrupts at the same
  89                  * time, turn off the PHY, clear interrupts, and restart, which
  90                  * raises connect interrupt if a cable is connected, or nothing
  91                  * if cable is not connected.
  92                  */
  93
  94                 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_OFF);
  95
  96                 /*
  97                  * We always get bogus CONNECT & DISCONNECT interrupts when
  98                  * setting the PHY to LDOON. To ignore those, we force the RXDET
  99                  * line to 0 until the PHY power state has been changed.
 100                  */
 101                 v = hdmi_read_reg(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL);
 102                 v = FLD_MOD(v, 1, 15, 15); /* FORCE_RXDET_HIGH */
 103                 v = FLD_MOD(v, 0, 14, 7); /* RXDET_LINE */
 104                 hdmi_write_reg(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL, v);
 105
 106                 hdmi_wp_set_irqstatus(wp, HDMI_IRQ_LINK_CONNECT |
 107                                 HDMI_IRQ_LINK_DISCONNECT);
 108
 109                 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
 110
 111                 REG_FLD_MOD(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL, 0, 15, 15);
 112
 113         } else if (irqstatus & HDMI_IRQ_LINK_CONNECT) {
 114                 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_TXON);
 115         } else if (irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
 116                 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
 117         }
 118
 119         return IRQ_HANDLED;
 120 }
 121
 122 static int hdmi_init_regulator(void)
 123 {
 124         struct regulator *reg;
 125
 126         if (hdmi.vdda_reg != NULL)
 127                 return 0;
 128
 129         reg = devm_regulator_get(&hdmi.pdev->dev, "vdda");
 130         if (IS_ERR(reg)) {
 131                 DSSERR("can't get VDDA regulator\n");
 132                 return PTR_ERR(reg);
 133         }
 134
 135         hdmi.vdda_reg = reg;
 136
 137         return 0;
 138 }
 139
 140 static int hdmi_power_on_core(struct omap_dss_device *dssdev)
 141 {
 142         int r;
 143
 144         r = regulator_enable(hdmi.vdda_reg);
 145         if (r)
 146                 return r;
 147
 148         r = hdmi_runtime_get();
 149         if (r)
 150                 goto err_runtime_get;
 151
 152         /* Make selection of HDMI in DSS */
 153         dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
 154
 155         hdmi.core_enabled = true;
 156
 157         return 0;
 158
 159 err_runtime_get:
 160         regulator_disable(hdmi.vdda_reg);
 161
 162         return r;
 163 }
 164
 165 static void hdmi_power_off_core(struct omap_dss_device *dssdev)
 166 {
 167         hdmi.core_enabled = false;
 168
 169         hdmi_runtime_put();
 170         regulator_disable(hdmi.vdda_reg);
 171 }
 172
 173 static int hdmi_power_on_full(struct omap_dss_device *dssdev)
 174 {
 175         int r;
 176         struct videomode *vm;
 177         enum omap_channel channel = dssdev->dispc_channel;
 178         struct dss_pll_clock_info hdmi_cinfo = { 0 };
 179         unsigned pc;
 180
 181         r = hdmi_power_on_core(dssdev);
 182         if (r)
 183                 return r;
 184
 185         vm = &hdmi.cfg.vm;
 186
 187         DSSDBG("hdmi_power_on hactive= %d vactive = %d\n", vm->hactive,
 188                vm->vactive);
 189
 190         pc = vm->pixelclock;
 191         if (vm->flags & DISPLAY_FLAGS_DOUBLECLK)
 192                 pc *= 2;
 193
 194         /* DSS_HDMI_TCLK is bitclk / 10 */
 195         pc *= 10;
 196
 197         dss_pll_calc_b(&hdmi.pll.pll, clk_get_rate(hdmi.pll.pll.clkin),
 198                 pc, &hdmi_cinfo);
 199
 200         /* disable and clear irqs */
 201         hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);
 202         hdmi_wp_set_irqstatus(&hdmi.wp,
 203                         hdmi_wp_get_irqstatus(&hdmi.wp));
 204
 205         r = dss_pll_enable(&hdmi.pll.pll);
 206         if (r) {
 207                 DSSERR("Failed to enable PLL\n");
 208                 goto err_pll_enable;
 209         }
 210
 211         r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);
 212         if (r) {
 213                 DSSERR("Failed to configure PLL\n");
 214                 goto err_pll_cfg;
 215         }
 216
 217         r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco,
 218                 hdmi_cinfo.clkout[0]);
 219         if (r) {
 220                 DSSDBG("Failed to start PHY\n");
 221                 goto err_phy_cfg;
 222         }
 223
 224         r = hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_LDOON);
 225         if (r)
 226                 goto err_phy_pwr;
 227
 228         hdmi5_configure(&hdmi.core, &hdmi.wp, &hdmi.cfg);
 229
 230         /* tv size */
 231         dss_mgr_set_timings(channel, vm);
 232
 233         r = dss_mgr_enable(channel);
 234         if (r)
 235                 goto err_mgr_enable;
 236
 237         r = hdmi_wp_video_start(&hdmi.wp);
 238         if (r)
 239                 goto err_vid_enable;
 240
 241         hdmi_wp_set_irqenable(&hdmi.wp,
 242                         HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT);
 243
 244         return 0;
 245
 246 err_vid_enable:
 247         dss_mgr_disable(channel);
 248 err_mgr_enable:
 249         hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
 250 err_phy_pwr:
 251 err_phy_cfg:
 252 err_pll_cfg:
 253         dss_pll_disable(&hdmi.pll.pll);
 254 err_pll_enable:
 255         hdmi_power_off_core(dssdev);
 256         return -EIO;
 257 }
 258
 259 static void hdmi_power_off_full(struct omap_dss_device *dssdev)
 260 {
 261         enum omap_channel channel = dssdev->dispc_channel;
 262
 263         hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);
 264
 265         hdmi_wp_video_stop(&hdmi.wp);
 266
 267         dss_mgr_disable(channel);
 268
 269         hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
 270
 271         dss_pll_disable(&hdmi.pll.pll);
 272
 273         hdmi_power_off_core(dssdev);
 274 }
 275
 276 static int hdmi_display_check_timing(struct omap_dss_device *dssdev,
 277                                      struct videomode *vm)
 278 {
 279         if (!dispc_mgr_timings_ok(dssdev->dispc_channel, vm))
 280                 return -EINVAL;
 281
 282         return 0;
 283 }
 284
 285 static void hdmi_display_set_timing(struct omap_dss_device *dssdev,
 286                                     struct videomode *vm)
 287 {
 288         mutex_lock(&hdmi.lock);
 289
 290         hdmi.cfg.vm = *vm;
 291
 292         dispc_set_tv_pclk(vm->pixelclock);
 293
 294         mutex_unlock(&hdmi.lock);
 295 }
 296
 297 static void hdmi_display_get_timings(struct omap_dss_device *dssdev,
 298                                      struct videomode *vm)
 299 {
 300         *vm = hdmi.cfg.vm;
 301 }
 302
 303 static void hdmi_dump_regs(struct seq_file *s)
 304 {
 305         mutex_lock(&hdmi.lock);
 306
 307         if (hdmi_runtime_get()) {
 308                 mutex_unlock(&hdmi.lock);
 309                 return;
 310         }
 311
 312         hdmi_wp_dump(&hdmi.wp, s);
 313         hdmi_pll_dump(&hdmi.pll, s);
 314         hdmi_phy_dump(&hdmi.phy, s);
 315         hdmi5_core_dump(&hdmi.core, s);
 316
 317         hdmi_runtime_put();
 318         mutex_unlock(&hdmi.lock);
 319 }
 320
 321 static int read_edid(u8 *buf, int len)
 322 {
 323         int r;
 324         int idlemode;
 325
 326         mutex_lock(&hdmi.lock);
 327
 328         r = hdmi_runtime_get();
 329         BUG_ON(r);
 330
 331         idlemode = REG_GET(hdmi.wp.base, HDMI_WP_SYSCONFIG, 3, 2);
 332         /* No-idle mode */
 333         REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
 334
 335         r = hdmi5_read_edid(&hdmi.core,  buf, len);
 336
 337         REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, idlemode, 3, 2);
 338
 339         hdmi_runtime_put();
 340         mutex_unlock(&hdmi.lock);
 341
 342         return r;
 343 }
 344
 345 static void hdmi_start_audio_stream(struct omap_hdmi *hd)
 346 {
 347         REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
 348         hdmi_wp_audio_enable(&hd->wp, true);
 349         hdmi_wp_audio_core_req_enable(&hd->wp, true);
 350 }
 351
 352 static void hdmi_stop_audio_stream(struct omap_hdmi *hd)
 353 {
 354         hdmi_wp_audio_core_req_enable(&hd->wp, false);
 355         hdmi_wp_audio_enable(&hd->wp, false);
 356         REG_FLD_MOD(hd->wp.base, HDMI_WP_SYSCONFIG, hd->wp_idlemode, 3, 2);
 357 }
 358
 359 static int hdmi_display_enable(struct omap_dss_device *dssdev)
 360 {
 361         struct omap_dss_device *out = &hdmi.output;
 362         unsigned long flags;
 363         int r = 0;
 364
 365         DSSDBG("ENTER hdmi_display_enable\n");
 366
 367         mutex_lock(&hdmi.lock);
 368
 369         if (!out->dispc_channel_connected) {
 370                 DSSERR("failed to enable display: no output/manager\n");
 371                 r = -ENODEV;
 372                 goto err0;
 373         }
 374
 375         r = hdmi_power_on_full(dssdev);
 376         if (r) {
 377                 DSSERR("failed to power on device\n");
 378                 goto err0;
 379         }
 380
 381         if (hdmi.audio_configured) {
 382                 r = hdmi5_audio_config(&hdmi.core, &hdmi.wp, &hdmi.audio_config,
 383                                        hdmi.cfg.vm.pixelclock);
 384                 if (r) {
 385                         DSSERR("Error restoring audio configuration: %d", r);
 386                         hdmi.audio_abort_cb(&hdmi.pdev->dev);
 387                         hdmi.audio_configured = false;
 388                 }
 389         }
 390
 391         spin_lock_irqsave(&hdmi.audio_playing_lock, flags);
 392         if (hdmi.audio_configured && hdmi.audio_playing)
 393                 hdmi_start_audio_stream(&hdmi);
 394         hdmi.display_enabled = true;
 395         spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);
 396
 397         mutex_unlock(&hdmi.lock);
 398         return 0;
 399
 400 err0:
 401         mutex_unlock(&hdmi.lock);
 402         return r;
 403 }
 404
 405 static void hdmi_display_disable(struct omap_dss_device *dssdev)
 406 {
 407         unsigned long flags;
 408
 409         DSSDBG("Enter hdmi_display_disable\n");
 410
 411         mutex_lock(&hdmi.lock);
 412
 413         spin_lock_irqsave(&hdmi.audio_playing_lock, flags);
 414         hdmi_stop_audio_stream(&hdmi);
 415         hdmi.display_enabled = false;
 416         spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);
 417
 418         hdmi_power_off_full(dssdev);
 419
 420         mutex_unlock(&hdmi.lock);
 421 }
 422
 423 static int hdmi_core_enable(struct omap_dss_device *dssdev)
 424 {
 425         int r = 0;
 426
 427         DSSDBG("ENTER omapdss_hdmi_core_enable\n");
 428
 429         mutex_lock(&hdmi.lock);
 430
 431         r = hdmi_power_on_core(dssdev);
 432         if (r) {
 433                 DSSERR("failed to power on device\n");
 434                 goto err0;
 435         }
 436
 437         mutex_unlock(&hdmi.lock);
 438         return 0;
 439
 440 err0:
 441         mutex_unlock(&hdmi.lock);
 442         return r;
 443 }
 444
 445 static void hdmi_core_disable(struct omap_dss_device *dssdev)
 446 {
 447         DSSDBG("Enter omapdss_hdmi_core_disable\n");
 448
 449         mutex_lock(&hdmi.lock);
 450
 451         hdmi_power_off_core(dssdev);
 452
 453         mutex_unlock(&hdmi.lock);
 454 }
 455
 456 static int hdmi_connect(struct omap_dss_device *dssdev,
 457                 struct omap_dss_device *dst)
 458 {
 459         enum omap_channel channel = dssdev->dispc_channel;
 460         int r;
 461
 462         r = hdmi_init_regulator();
 463         if (r)
 464                 return r;
 465
 466         r = dss_mgr_connect(channel, dssdev);
 467         if (r)
 468                 return r;
 469
 470         r = omapdss_output_set_device(dssdev, dst);
 471         if (r) {
 472                 DSSERR("failed to connect output to new device: %s\n",
 473                                 dst->name);
 474                 dss_mgr_disconnect(channel, dssdev);
 475                 return r;
 476         }
 477
 478         return 0;
 479 }
 480
 481 static void hdmi_disconnect(struct omap_dss_device *dssdev,
 482                 struct omap_dss_device *dst)
 483 {
 484         enum omap_channel channel = dssdev->dispc_channel;
 485
 486         WARN_ON(dst != dssdev->dst);
 487
 488         if (dst != dssdev->dst)
 489                 return;
 490
 491         omapdss_output_unset_device(dssdev);
 492
 493         dss_mgr_disconnect(channel, dssdev);
 494 }
 495
 496 static int hdmi_read_edid(struct omap_dss_device *dssdev,
 497                 u8 *edid, int len)
 498 {
 499         bool need_enable;
 500         int r;
 501
 502         need_enable = hdmi.core_enabled == false;
 503
 504         if (need_enable) {
 505                 r = hdmi_core_enable(dssdev);
 506                 if (r)
 507                         return r;
 508         }
 509
 510         r = read_edid(edid, len);
 511
 512         if (need_enable)
 513                 hdmi_core_disable(dssdev);
 514
 515         return r;
 516 }
 517
 518 static int hdmi_set_infoframe(struct omap_dss_device *dssdev,
 519                 const struct hdmi_avi_infoframe *avi)
 520 {
 521         hdmi.cfg.infoframe = *avi;
 522         return 0;
 523 }
 524
 525 static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev,
 526                 bool hdmi_mode)
 527 {
 528         hdmi.cfg.hdmi_dvi_mode = hdmi_mode ? HDMI_HDMI : HDMI_DVI;
 529         return 0;
 530 }
 531
 532 static const struct omapdss_hdmi_ops hdmi_ops = {
 533         .connect                = hdmi_connect,
 534         .disconnect             = hdmi_disconnect,
 535
 536         .enable                 = hdmi_display_enable,
 537         .disable                = hdmi_display_disable,
 538
 539         .check_timings          = hdmi_display_check_timing,
 540         .set_timings            = hdmi_display_set_timing,
 541         .get_timings            = hdmi_display_get_timings,
 542
 543         .read_edid              = hdmi_read_edid,
 544         .set_infoframe          = hdmi_set_infoframe,
 545         .set_hdmi_mode          = hdmi_set_hdmi_mode,
 546 };
 547
 548 static void hdmi_init_output(struct platform_device *pdev)
 549 {
 550         struct omap_dss_device *out = &hdmi.output;
 551
 552         out->dev = &pdev->dev;
 553         out->id = OMAP_DSS_OUTPUT_HDMI;
 554         out->output_type = OMAP_DISPLAY_TYPE_HDMI;
 555         out->name = "hdmi.0";
 556         out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
 557         out->ops.hdmi = &hdmi_ops;
 558         out->owner = THIS_MODULE;
 559
 560         omapdss_register_output(out);
 561 }
 562
 563 static void hdmi_uninit_output(struct platform_device *pdev)
 564 {
 565         struct omap_dss_device *out = &hdmi.output;
 566
 567         omapdss_unregister_output(out);
 568 }
 569
 570 static int hdmi_probe_of(struct platform_device *pdev)
 571 {
 572         struct device_node *node = pdev->dev.of_node;
 573         struct device_node *ep;
 574         int r;
 575
 576         ep = of_graph_get_endpoint_by_regs(node, 0, 0);
 577         if (!ep)
 578                 return 0;
 579
 580         r = hdmi_parse_lanes_of(pdev, ep, &hdmi.phy);
 581         if (r)
 582                 goto err;
 583
 584         of_node_put(ep);
 585         return 0;
 586
 587 err:
 588         of_node_put(ep);
 589         return r;
 590 }
 591
 592 /* Audio callbacks */
 593 static int hdmi_audio_startup(struct device *dev,
 594                               void (*abort_cb)(struct device *dev))
 595 {
 596         struct omap_hdmi *hd = dev_get_drvdata(dev);
 597         int ret = 0;
 598
 599         mutex_lock(&hd->lock);
 600
 601         if (!hdmi_mode_has_audio(&hd->cfg) || !hd->display_enabled) {
 602                 ret = -EPERM;
 603                 goto out;
 604         }
 605
 606         hd->audio_abort_cb = abort_cb;
 607
 608 out:
 609         mutex_unlock(&hd->lock);
 610
 611         return ret;
 612 }
 613
 614 static int hdmi_audio_shutdown(struct device *dev)
 615 {
 616         struct omap_hdmi *hd = dev_get_drvdata(dev);
 617
 618         mutex_lock(&hd->lock);
 619         hd->audio_abort_cb = NULL;
 620         hd->audio_configured = false;
 621         hd->audio_playing = false;
 622         mutex_unlock(&hd->lock);
 623
 624         return 0;
 625 }
 626
 627 static int hdmi_audio_start(struct device *dev)
 628 {
 629         struct omap_hdmi *hd = dev_get_drvdata(dev);
 630         unsigned long flags;
 631
 632         WARN_ON(!hdmi_mode_has_audio(&hd->cfg));
 633
 634         spin_lock_irqsave(&hd->audio_playing_lock, flags);
 635
 636         if (hd->display_enabled)
 637                 hdmi_start_audio_stream(hd);
 638         hd->audio_playing = true;
 639
 640         spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
 641         return 0;
 642 }
 643
 644 static void hdmi_audio_stop(struct device *dev)
 645 {
 646         struct omap_hdmi *hd = dev_get_drvdata(dev);
 647         unsigned long flags;
 648
 649         WARN_ON(!hdmi_mode_has_audio(&hd->cfg));
 650
 651         spin_lock_irqsave(&hd->audio_playing_lock, flags);
 652
 653         if (hd->display_enabled)
 654                 hdmi_stop_audio_stream(hd);
 655         hd->audio_playing = false;
 656
 657         spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
 658 }
 659
 660 static int hdmi_audio_config(struct device *dev,
 661                              struct omap_dss_audio *dss_audio)
 662 {
 663         struct omap_hdmi *hd = dev_get_drvdata(dev);
 664         int ret;
 665
 666         mutex_lock(&hd->lock);
 667
 668         if (!hdmi_mode_has_audio(&hd->cfg) || !hd->display_enabled) {
 669                 ret = -EPERM;
 670                 goto out;
 671         }
 672
 673         ret = hdmi5_audio_config(&hd->core, &hd->wp, dss_audio,
 674                                  hd->cfg.vm.pixelclock);
 675
 676         if (!ret) {
 677                 hd->audio_configured = true;
 678                 hd->audio_config = *dss_audio;
 679         }
 680 out:
 681         mutex_unlock(&hd->lock);
 682
 683         return ret;
 684 }
 685
 686 static const struct omap_hdmi_audio_ops hdmi_audio_ops = {
 687         .audio_startup = hdmi_audio_startup,
 688         .audio_shutdown = hdmi_audio_shutdown,
 689         .audio_start = hdmi_audio_start,
 690         .audio_stop = hdmi_audio_stop,
 691         .audio_config = hdmi_audio_config,
 692 };
 693
 694 static int hdmi_audio_register(struct device *dev)
 695 {
 696         struct omap_hdmi_audio_pdata pdata = {
 697                 .dev = dev,
 698                 .dss_version = omapdss_get_version(),
 699                 .audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp),
 700                 .ops = &hdmi_audio_ops,
 701         };
 702
 703         hdmi.audio_pdev = platform_device_register_data(
 704                 dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,
 705                 &pdata, sizeof(pdata));
 706
 707         if (IS_ERR(hdmi.audio_pdev))
 708                 return PTR_ERR(hdmi.audio_pdev);
 709
 710         hdmi_runtime_get();
 711         hdmi.wp_idlemode =
 712                 REG_GET(hdmi.wp.base, HDMI_WP_SYSCONFIG, 3, 2);
 713         hdmi_runtime_put();
 714
 715         return 0;
 716 }
 717
 718 /* HDMI HW IP initialisation */
 719 static int hdmi5_bind(struct device *dev, struct device *master, void *data)
 720 {
 721         struct platform_device *pdev = to_platform_device(dev);
 722         int r;
 723         int irq;
 724
 725         hdmi.pdev = pdev;
 726         dev_set_drvdata(&pdev->dev, &hdmi);
 727
 728         mutex_init(&hdmi.lock);
 729         spin_lock_init(&hdmi.audio_playing_lock);
 730
 731         r = hdmi_probe_of(pdev);
 732         if (r)
 733                 return r;
 734
 735         r = hdmi_wp_init(pdev, &hdmi.wp);
 736         if (r)
 737                 return r;
 738
 739         r = hdmi_pll_init(pdev, &hdmi.pll, &hdmi.wp);
 740         if (r)
 741                 return r;
 742
 743         r = hdmi_phy_init(pdev, &hdmi.phy);
 744         if (r)
 745                 goto err;
 746
 747         r = hdmi5_core_init(pdev, &hdmi.core);
 748         if (r)
 749                 goto err;
 750
 751         irq = platform_get_irq(pdev, 0);
 752         if (irq < 0) {
 753                 DSSERR("platform_get_irq failed\n");
 754                 r = -ENODEV;
 755                 goto err;
 756         }
 757
 758         r = devm_request_threaded_irq(&pdev->dev, irq,
 759                         NULL, hdmi_irq_handler,
 760                         IRQF_ONESHOT, "OMAP HDMI", &hdmi.wp);
 761         if (r) {
 762                 DSSERR("HDMI IRQ request failed\n");
 763                 goto err;
 764         }
 765
 766         pm_runtime_enable(&pdev->dev);
 767
 768         hdmi_init_output(pdev);
 769
 770         r = hdmi_audio_register(&pdev->dev);
 771         if (r) {
 772                 DSSERR("Registering HDMI audio failed %d\n", r);
 773                 hdmi_uninit_output(pdev);
 774                 pm_runtime_disable(&pdev->dev);
 775                 return r;
 776         }
 777
 778         dss_debugfs_create_file("hdmi", hdmi_dump_regs);
 779
 780         return 0;
 781 err:
 782         hdmi_pll_uninit(&hdmi.pll);
 783         return r;
 784 }
 785
 786 static void hdmi5_unbind(struct device *dev, struct device *master, void *data)
 787 {
 788         struct platform_device *pdev = to_platform_device(dev);
 789
 790         if (hdmi.audio_pdev)
 791                 platform_device_unregister(hdmi.audio_pdev);
 792
 793         hdmi_uninit_output(pdev);
 794
 795         hdmi_pll_uninit(&hdmi.pll);
 796
 797         pm_runtime_disable(&pdev->dev);
 798 }
 799
 800 static const struct component_ops hdmi5_component_ops = {
 801         .bind   = hdmi5_bind,
 802         .unbind = hdmi5_unbind,
 803 };
 804
 805 static int hdmi5_probe(struct platform_device *pdev)
 806 {
 807         return component_add(&pdev->dev, &hdmi5_component_ops);
 808 }
 809
 810 static int hdmi5_remove(struct platform_device *pdev)
 811 {
 812         component_del(&pdev->dev, &hdmi5_component_ops);
 813         return 0;
 814 }
 815
 816 static int hdmi_runtime_suspend(struct device *dev)
 817 {
 818         dispc_runtime_put();
 819
 820         return 0;
 821 }
 822
 823 static int hdmi_runtime_resume(struct device *dev)
 824 {
 825         int r;
 826
 827         r = dispc_runtime_get();
 828         if (r < 0)
 829                 return r;
 830
 831         return 0;
 832 }
 833
 834 static const struct dev_pm_ops hdmi_pm_ops = {
 835         .runtime_suspend = hdmi_runtime_suspend,
 836         .runtime_resume = hdmi_runtime_resume,
 837 };
 838
 839 static const struct of_device_id hdmi_of_match[] = {
 840         { .compatible = "ti,omap5-hdmi", },
 841         { .compatible = "ti,dra7-hdmi", },
 842         {},
 843 };
 844
 845 static struct platform_driver omapdss_hdmihw_driver = {
 846         .probe          = hdmi5_probe,
 847         .remove         = hdmi5_remove,
 848         .driver         = {
 849                 .name   = "omapdss_hdmi5",
 850                 .pm     = &hdmi_pm_ops,
 851                 .of_match_table = hdmi_of_match,
 852                 .suppress_bind_attrs = true,
 853         },
 854 };
 855
 856 int __init hdmi5_init_platform_driver(void)
 857 {
 858         return platform_driver_register(&omapdss_hdmihw_driver);
 859 }
 860
 861 void hdmi5_uninit_platform_driver(void)
 862 {
 863         platform_driver_unregister(&omapdss_hdmihw_driver);
 864 }